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Mon, 6 Apr 2020 15:33:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1586187217; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=54m8rxTt54kFBq7OA+fqcF0qFo/2VaJKpZ5ghHw46Co=; b=S7eAS9UDVeWHoJLhLbzKB43uCbBoOJZnDAdVi/WhSftBijo+tiKFO4ZeSleUWmrfLTIB9x k2UKmRC4cMGh0AKrYnMV5aEnt1iLn56tWjntOr/EQ35qEpIqmQhV7w+WdmAm7DpTUZelB2 LjNJXQd3+Mqo6UA+y4ipfxGXKlTWSts= X-MC-Unique: 9QYrib-zN6ieD2UzAETHyw-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v5 for-5.0] configure: warn if not using a separate build directory Date: Mon, 6 Apr 2020 16:33:26 +0100 Message-Id: <20200406153326.806024-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Liviu Ionescu , Markus Armbruster , Aleksandar Markovic , Stefan Hajnoczi , Paolo Bonzini , =?UTF-8?q?Michal=20Such=C3=A1nek?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Markovic Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Running configure directly from the source directory is a build configuration that will go away in future. It is also not currently covered by any automated testing. Display a deprecation warning if the user attempts to use an in-srcdir build setup, so that they are aware that they're building QEMU in an undesirable manner. Reviewed-by: Aleksandar Markovic Tested-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Daniel P. Berrang=C3=A9 --- Changed in v5: - Use PeterM's suggested wording instead. - Dropped previous R-bs due to wording change configure | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/configure b/configure index 22870f3867..b8f1d26293 100755 --- a/configure +++ b/configure @@ -285,6 +285,16 @@ then error_exit "main directory cannot contain spaces nor colons" fi =20 +canon_build_path=3D$(realpath -- "$PWD") +canon_source_path=3D$(realpath -- "$source_path") + +in_srcdir=3Dno +if [ "$canon_build_path" =3D "$canon_source_path" ] +then + in_srcdir=3Dyes +fi + + # default parameters cpu=3D"" iasl=3D"iasl" @@ -6751,6 +6761,23 @@ if test "$supported_os" =3D "no"; then echo "us upstream at qemu-devel@nongnu.org." fi =20 +if test "$in_srcdir" =3D "yes"; then + echo + echo "NOTE: we recommend against building in the source directory" + echo + echo "You've run the 'configure' script directly from the source" + echo "directory. This will work, but we recommend using a separate" + echo "build directory, especially if you plan to work with the QEMU" + echo "sources rather than just building it once. You can switch to" + echo "a separate build directory like this:" + echo + echo " $ mkdir build" + echo " $ cd build" + echo " $ ../configure" + echo " $ make" + echo +fi + config_host_mak=3D"config-host.mak" =20 echo "# Automatically generated by configure - do not modify" >config-all-= disas.mak --=20 2.24.1